25
APPENDIX A BLOWER PERFORMANCE TABLES - HEAT PUMP
DBH048*B STANDARD BELT DRIVE DOWNSHOT
ESP, In H
2
O
TURNS OPEN
0
1
2
3
4
5
CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP
0.1
-
-
-
-
-
-
-
-
-
1777 810 0.44 1648 755 0.35 1502 695 0.27
0.2
-
-
-
-
-
-
-
-
-
1664 810 0.41 1527 755 0.32 1369 695 0.24
0.3
-
-
-
-
-
-
1707 870 0.48 1544 810 0.37 1396 755 0.29 1225 695 0.22
0.4
-
-
-
1752
930
0.56 1589 870 0.44 1415 810 0.34 1253 755 0.26
-
-
-
0.5
1798
990
0.65 1638
930
0.52 1463 870 0.41 1274 810 0.31
-
-
-
-
-
-
0.6
1689
990
0.61 1517
930
0.48 1327 870 0.37
-
-
-
-
-
-
-
-
-
0.7
1572
990
0.56 1385
930
0.44
-
-
-
-
-
-
-
-
-
-
-
-
0.8
1447
990
0.52 1241
930
0.40
-
-
-
-
-
-
-
-
-
-
-
-
DBH048*C HIGH STATIC BELT DRIVE DOWNSHOT
ESP, In H
2
O
TURNS OPEN
0
1
2
3
4
5
CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP
0.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2003
1075 0.85
0.7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1898 1075 0.81
0.8
-
-
-
-
-
-
-
-
-
-
-
-
1936 1135 0.91 1788 1075 0.76
0.9
-
-
-
-
-
-
-
-
-
1979
1200
1.05 1833 1135 0.86 1671 1075 0.71
1.0
-
-
-
-
-
-
-
-
-
1884
1200
0.99 1724 1135 0.81 1545 1075 0.66
1.1
-
-
-
-
-
-
-
-
-
1784
1200
0.94 1608 1135 0.76 1408 1075 0.61
1.2
-
-
-
-
-
-
1923
1265 1.13 1677
1200
0.89 1482 1135 0.71 1257 1075 0.56
1.3
-
-
-
1966 1325 1.26 1823 1265 1.07 1563
1200
0.83 1344 1135 0.66
-
-
-
1.4
-
-
-
1874 1325 1.21 1716 1265 1.01 1439
1200
0.78
-
-
-
-
-
-
1.5
1942
1390
1.37 1777 1325 1.15 1602 1265 0.95 1304
1200
0.72
-
-
-
-
-
-
1.6
1854
1390
1.32 1673 1325 1.09 1479 1265 0.89
-
-
-
-
-
-
-
-
-
1.7
1762
1390
1.25 1563 1325 1.02 1344 1265 0.83
-
-
-
-
-
-
-
-
-
1.8
1664
1390
1.19 1443 1325 0.96
-
-
-
-
-
-
-
-
-
-
-
-
1
To operate below 0.6" H
2
O external static pressure, motor and blower sheave must be changed to VL40 and AK66 respectively, or equivalents.